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Test 4-interface Intel NIC I340-T4 #3

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@geerlingguy

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@geerlingguy

I ordered a Intel I340-T4 PCIe x4 4-port Gigabit Network Adapter (specs, and am waiting for it to arrive. I would like to see if this adapter also requires the BAR space expansion that the GPU required (see #2), and also whether I can see all four interfaces over the PCIe x1 2.0 bus, or whether I can only see some of them.

The card itself is an x4 card, meaning it won't slot into the stock PCIe x1 slot on the Compute Module. I could hack into it with a dremel, but instead, I bought an x16 to x1 riser/adapter: PCI-e PCI Express 1X to 16X Extension Cable.

We'll see if I can get it working! I have the 1x to 16x cable already, just waiting on the GigE adapter to come in.

Edit: Here's the card plugged into the IO Board:

intel-i340-16x-1x-raspberry-pi-cm4

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